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07-19-2011, 09:45 AM #1
Water leaks into cabin when running the A/C?
Searching around has not turned up anything definitive so I gotta ask. Ran the A/C and was getting water dripping into the passenger floor board. I couldn't take the time to look at it right away. Now that it's so freaking hot I want to run it but I can't because I know it will start again. Sooo, once I run it and look under the dash to try and find where it's starting then what? Exactly what am I looking for? I see the condenser inside the engine compartment freezes up but how does it get through the firewall? I didn't think we had a filter system in our dashboard so looking for a plugged drain hole doesn't seem right.
Suggestions on where to begin please?I was here before the server crashed.
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07-19-2011, 10:11 AM #2
- Join Date
- Jul 2005
- Location
- Jacksonville, FL
- Posts
- 2,723
The AC condensate drain is clogged - use something flexible from the outside to clear it. Here's what a '95 looks like, ours is basically the same. http://shbox.com/1/a_c_drain.jpg
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07-19-2011, 10:19 AM #3
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07-19-2011, 10:32 AM #4
- Join Date
- Jul 2005
- Location
- Jacksonville, FL
- Posts
- 2,723
Do it with the car level so the excess water drains out.
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07-19-2011, 11:55 AM #5
That may be easier said than done. I need to get under the car to look up at the drain. That means either ramps or I could try to drive the right wheel up along the curb so I can slide under. Sounds like fun after the sun has been blazing the concrete and ashphalt all day. Anything in particular I should use or not use to poke into the drain hole? I don't know if the cap is missing or not yet. If it's gone and still plugged this could get real interesting.
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07-19-2011, 11:58 AM #6
- Join Date
- Feb 2010
- Location
- north bay california
- Age
- 34
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- 2,973
Black- 00 camaro ss M6 #6695
I'm sure the problem is the heater core.
Very expensive to fix
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07-19-2011, 12:04 PM #7
I've always just used a coat hanger to clear them when I've had them clog up. Just don't go jabbing in there like you're trying to flush out a raccoon. Just run it up the line. Definitely sounds like your problem....not the heater core.
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07-19-2011, 12:19 PM #8
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07-19-2011, 12:47 PM #9
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07-19-2011, 01:56 PM #10
- Join Date
- Jan 2009
- Location
- North Jersey
- Posts
- 11,496
Phantom Black Metallic- 2004 GTO M6
+1 on the condensate drain. We have had quite a few customers come into my job for that very issue. We blow air from a blowgun into the drain and stand clear of the waterfall.
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07-19-2011, 07:09 PM #11
Who's da Man?
2001NBMZ28!
That was it. Unplugged the hole and we have drainage. Thanks Dude.
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07-19-2011, 07:41 PM #12
nice that you figured it out. Now enjoy some cold A/C again.
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07-19-2011, 07:53 PM #13
have you priced a heater core for your jeep? Generally heater cores are pretty cheap really.....it's labor that you end up paying for. They shoe horn those things into the hardest place there is on the whole vehicle to get too. My heater core busted on my last truck and cost me $40 for a new one. You're in cali though where it never gets cold.....just bypass it altogether.
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07-19-2011, 11:46 PM #14
- Join Date
- Feb 2010
- Location
- north bay california
- Age
- 34
- Posts
- 2,973
Black- 00 camaro ss M6 #6695
the heater core in not that expensive..the labor is very expensive.
a friend of mine works at a shop, he said they usually charge $500 just for labor.. the part its self its like $80 dollars.
i watch a video to see if i could done it my self..man theres no way ill do that..ill just bypass it.. the good thing the jeep has heater on the seats, i dont really need the heater on the jeep. i dont like it, and here in cali you dont really need it..
to have an idea,, i watch the video on youtube,,, its just alot of work..00 ss blk m6 " STOCK" strano springs, slp bilstein shocks, adj LCA, adj panhard bar, relocation brackets, 2 point SFCs welded,OEM zo6 rims black, magnaflow exhaust, CME exhaust,E/cutout, slp grille, custom front plate mount, HIDs, whistler mod, side moldings delete, slp air lid, ported and polished TB, strut tower brace, 3.73s gears, and some other parts to list!
next to come,4.10s,ls7 clutch, ms3 or 228r cam, ported 243s, ls6 intake, ls6 oil pump. ls2 timing chain, longtube headers no cats, with a tune..
02 tahoe Z71 blacked out
00 jeep grand Cherokee limited on 22s.
07 Dodge Charger R/T Inferno Red, Sold
98 z28 red m6 sold
07 zx6r ninja flat/black sold
08 zx6r ninja sold
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07-20-2011, 04:41 AM #151998 TA 130k A4, LS6 intake, TunedByFrost, Airlid, AIR and EGR delete, Borla exhaust, front Eibach lowering springs, LS6 valley cover, UMI TQ arm, UMI LCA's, UMI panhard bar, Poly engine mounts, BMR relocation brackets, Blistein HD shocks and struts, Oil catch can, Autotrix window fix.
Now I have an 2001 F150 5.4L
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07-20-2011, 06:14 AM #16
is the A/C evaporator coil part of the heater core assy or is it located separately? i've never bothered to check it out..
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07-20-2011, 06:05 PM #17
- Join Date
- Apr 2008
- Location
- Madison, WI
- Posts
- 7,006
1999 Formula WS6 M6-sold- 2001 Silverado Z71
AC Evap core and heater core are 2 separate things but both are inside the HVAC case.
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07-20-2011, 07:11 PM #18
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02-05-2016, 12:02 PM #19
- Join Date
- Feb 2016
- Location
- Orlando, FL
- Posts
- 2
Blue- 02 Chevy Camaro SS
Living in FL presents the problem of ant invasion into about everything home, garages and cars. I was getting water leakage into the passenger side floor board and it felt cold and only when the A/C was on. Also when I would turn on my A/C full blast I was getting these small particles like sand coming out of the vents. I put my car on a lift and inspected the A/C drain hole and low and behold I had an ant colony living close by to that drain hole. It was more then likely their source of water. I blew out the drain and the ant colony on the shelf near the drain. Problem solved. No more leaks in the floor board and sand blowing out of my vents.
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02-05-2016, 12:18 PM #20
- Join Date
- Feb 2016
- Location
- Orlando, FL
- Posts
- 2
Blue- 02 Chevy Camaro SS
Living in FL you can run into ant infestations. I had the same issue with cold water leaking into the passenger floor board when the A/C was on. I also had dust particles like sand blowing out my air vents. Put the car on a lift and discovered an ant colony living near the drain hole on a shelf. Blew out the A/C drain hole and removed that ant colony. Problem solved. It took awhile for that sand to finally blow out of the air vents but all clean now and no more leaks.
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